Adjustable chair



FIG. 1 is a top perspective view of an adjustable chair showing my newdesign,

FIG. 2 is a bottom perspective view,

FIG. 3 is a rear end elevational view,

FIG. 4 is a front end elevational view,

FIG. 5 is a top plan view,

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a side elevational view of the adjustable chair in an adjustedposition.

The ornamental design for adjustable chair, as shown and described.